<template>
	<view v-if="goods_info.goods_name" class="goods-detail-container">
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000">
			<swiper-item v-for="(item,i) in goods_info.pics" :key="i">
				<image :src="item.pics_big" mode="" @click="preview(i)"></image>
			</swiper-item>

		</swiper>
		<!-- 商品信息区域 -->
		<view class="goods-info-box">
			<!-- 商品价格 -->
			<view class="price">￥{{goods_info.goods_price}}</view>
			<!-- 信息主体区域 -->
			<view class="goods-info-body">
				<!-- 商品名称 -->
				<view class="goods-name">{{goods_info.goods_name}}</view>
				<!-- 收藏 -->
				<view class="favi">
					<uni-icons type="star" size="18" color="gray">收藏</uni-icons>
				</view>
			</view>
			<!-- 运费 -->
			<view class="yf">快递：免运费</view>
		</view>
		
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		
		<!-- 商品导航组件 -->
		<view class="goods_nav">
			<!-- fill控制右侧按钮样式 -->
			<!-- options左侧按钮的配置项 -->
			<!-- buttonGroup右侧按钮的配置项 -->
			<!-- click左侧按钮的点击事件处理函数 -->
			<!-- buttonclick 右侧按钮的点击事件处理函数 -->
			<uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick" />

		</view>
	</view>
</template>

<script>
	import { mapState,mapMutations,mapGetters } from 'vuex'
	
	export default {
		computed:{
			...mapState('cart',[]),
			...mapGetters('cart',['total'])
		},
		watch:{
			total:{
				handler(newVal){
					const findResult = this.options.find(x => x.text === '购物车')
					if(findResult){
						findResult.info = newVal
					}
				},
				immediate:true
			}
		},
		data() {
			return {
				goods_info:{},
				//左侧按钮组的配置对象
				options:[{
					icon:'shop',
					text:'店铺'
				},{
					icon:'cart',
					text:'购物车',
					info:0
				}],
				//右侧按钮组的配置对象
				buttonGroup:[{
					text:'加入购物车',
					backgroundColor:'#F21010',
					color:'#fff'
				},{
					text:'立刻购买',
					backgroundColor:'#ffa200',
					color:'#fff'
				}]
			};
		},
		onLoad(options) {
			const goods_id = options.goods_id
			this.getGoodsDetail(goods_id)
		},
		methods: {
			...mapMutations('cart',['addToCart']),
			async getGoodsDetail(goods_id){
					const {data:res}= await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
					if(res.meta.status !==200) return uni.$showMsg()
					
					res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g,'<img style="display:block;" ').replace(/webp/g,'jpg')
					this.goods_info = res.message
					// console.log(this.goods_info)
			},
			//实现轮播图的预览效果
			preview(i){
				uni.previewImage({
					current:i,
					urls:this.goods_info.pics.map(x =>x.pics_big)
				})
			},
			onClick(e){
				if(e.content.text === '购物车'){
					uni.switchTab({
						url:'/pages/cart/cart'
					})
				}
			},
			buttonClick(e){
				if(e.content.text === '加入购物车'){
					//组织商品的信息对象
					//{goods_id,goods_name,goods_price,goods_count,goods_small_logo,goods_state}
					const goods = {
						goods_id :this.goods_info.goods_id,
						goods_name:this.goods_info.goods_name,
						goods_price:this.goods_info.goods_price,
						goods_count:1,
						goods_small_logo:this.goods_info.goods_small_logo,
						goods_state:true
					}
					//调用addToCart方法
					this.addToCart(goods)
				}
			}
		}

	}

</script>

<style lang="scss">
	swiper{
		height: 750rpx;
		image{
			width: 100%;
			height: 100%;
		}
	}
	
	.goods-info-box{
		padding: 10px;
		padding-right: 0;
		.price{
			color: #F21010;
			font-size: 18px;
			margin: 10px 0;
		}
		.goods-info-body{
			display: flex;
			justify-content: space-between;
			.goods-name{
				font-size: 13px;
				margin-right: 10px;
			}
			.favi{
				width: 120px;
				font-size: 12px;
				display: flex;
				flex-direction: column;
				align-items: center;
				justify-content: center;
				border-left: 1px solid #efefef;
				color: gray;
			}
		}
		.yf{
			font-size: 12px;
			color: gray;
			margin: 10px 0;
		}
	}
	.goods_nav{
		position: fixed;
		bottom: 0;
		left: 0;
		width: 100%;
	}
	.goods-detail-container{
		padding-bottom: 50px;
	}
</style>
